Home / 18,409.10-25,404.60-10,452.57

Finding the Fourth Proportional to 18,409.10, 25,404.60 and 10,452.57

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Solution

The fourth proportional to 18,409.10, 25,404.60 and 10,452.57 is: 14,424.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,409.10 : 25,404.60 = 10,452.57 : x
  2. Step 2: Convert to fraction form
    18,409.10/25,404.60 = 10,452.57/x
  3. Step 3: Cross multiply
    18,409.10x = 25,404.60 × 10,452.57
  4. Step 4: Simplify right side
    18,409.10x = 265,543,232.80
  5. Step 5: Solve for x
    x = 265,543,232.80/18,409.10
  6. Step 6: Final answer
    x = 14,424.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.